Further research on hepatitis B vaccine.
D000818:Animals; D002681:China; D006509:Hepatitis B / Q000517:prevention & control; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D012106:Research; D014765:Viral Vaccines / Q000302:isolation & purification* / Q000627:therapeutic use
D014765:Viral Vaccines